package com.rbs.service;

import com.rbs.entity.Brand;

import java.util.List;
import java.util.Map;

public interface BrandService {
    //查询所有品牌
    public Map<Integer,String> selectAllBrand();
    //查询所有品牌及数量
    public List<Brand> selectAllBrandAndPhoneNum();
    //添加品牌
    public int addBrand(Brand brand);
    //删除品牌
    public int deleteBrandById(int id);
}
